It was dark and grey when I left for my morning walk. Surprisingly, the automatic headlights on the Impala did not turn on. Maybe there was enough ambient light that it did not trip the sensor? I manually switched on the headlights.
Nothing happened.
Then I tested the high beams and they shined brightly. So the wiring must be OK. The problem was simply that the right and left low beam bulbs burned out simultaneously. I wondered, “Can I fix it myself or do I need to bring the car in for service?”
YouTube to the rescue! I googled “how to replace headlight bulb 2013 Chevy Impala” and was rewarded with several recordings to view. The video I watched promised the process would be quick and easy (5-10 minutes) and only required a 7mm socket and H11 bulbs.
I’m here to say the promised difficulty was no exaggeration. The first bulb took 15 minutes—mostly because I had to find my 7mm socket first. The second one took 5 minutes. Sixty minutes total including a trip to Auto Zone for parts and a stop by a coffee shop.
I have a real feeling of accomplishment and the day isn’t even half over yet. There is something very satisfying about fixing things with your own hands and YouTube makes it possible. I wouldn’t have had a clue where to start if not for creators sharing their knowledge through videos online. What an amazing world we live in.
Math Belongs to All of Us 
Hopefully you did not learn to drive on You Tube. Some “hands on” instruction is required.
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I hear there are some pretty good simulators these days but YouTube did not exist when I learned to drive.
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